Question 1

If you are particularly concerned about how well a sample represents a population,pay particular attention to the

Accepted Answer

A)  nonprobability design.
B)  cluster design.
C)  sampling interval.
D)  sampling frame.
E)  sampling design D

Question 2

I would like to survey 50 people on their attitudes regarding premarital sex.Knowing that approximately 52% of the population is female and 48% is male,I choose to stand on the corner of High St.and Hague Ave.,and give my short survey to the first 26 women and the first 24 men who pass by the corner.I have engaged in _____________.

Accepted Answer

A)  snowball sampling
B)  quota sampling
C)  reliance on available subjects or convenient sampling
D)  purposive sampling
E)  simple random sampling B

Question 3

Sequine sampled states first,then churches,and then church members.Each of these three is known as a(n)

Accepted Answer

A)  error source.
B)  sampling unit.
C)  sampling interval.
D)  sampling ratio.
E)  cluster unit B

Question 4

The currently agreed upon best method of conducting telephone based sampling is based upon

Accepted Answer

A)   random digit dialing.
B)   telephone books.
C)   address based sampling.
D)   random digit dialing and address based sampling combined.
E)   there is no single agreed upon method at this time.

Question 5

Drawing a judgmental sample

Accepted Answer

A)  allows researchers to use their knowledge about the topic or population.
B)  enlists the aid of uninformed respondents.
C)  results in a sample that has no researcher bias.
D)  ensures a representative sample.
E)  requires the development of a quota matrix.

Question 6

Gilbert wanted to study only students who do very well in class because such students would best help him test his theory.He asked 20 professors for the names of high achieving students and he then interviewed them.Which sampling design does this example reflect?

Accepted Answer

A)  reliance on available subjects
B)  purposive
C)  snowball
D)  quota
E)  expert

Question 7

Compare probability designs with nonprobability designs.Identify the kinds of sampling designs available within each of these major categories.Explain a situation in which it would be more appropriate to use probability sampling and one where nonprobability sampling would be preferred.

Accepted Answer

The answer of Compare probability designs with nonprobability designs.Identify the...

Question 8

Generally,the more heterogeneous the population,the more beneficial it is to use stratified sampling.

Accepted Answer

A) True 
 B)False

Question 9

If you were interested in conducting a large-scale survey of voter's preferences for the presidential candidate,you would follow history and use a probability sample.

Accepted Answer

A) True 
 B)False

Question 10

Jerome is worried about the periodicity in his sampling frame.Jerome should not use

Accepted Answer

A)  simple random sampling.
B)  stratified sampling.
C)  systematic sampling.
D)  disproportionate sampling.
E)  probability sampling.

Question 11

In research,the statistic is more accurate than the parameter.

Accepted Answer

A) True 
 B)False

Question 12

Periodicity is a particular problem for which sampling design?

Accepted Answer

A)  simple random
B)  systematic
C)  cluster
D)  stratified
E)  snowball

Question 13

A disadvantage of stratified sampling is that it

Accepted Answer

A)  denies you the use of probability theory.
B)  requires you to have some prior knowledge about the elements in the population before drawing the sample.
C)  usually increases the standard error.
D)  usually requires samples that are larger in size than those required by simple random sampling.
E)  there are no disadvantages of stratified sampling.

Question 14

We typically sample with replacement.

Accepted Answer

A) True 
 B)False

Question 15

You want to examine the relationship between family size and family cohesion.You use as your sample all the students in your research methods class.What kind of sampling design are you using?

Accepted Answer

A)  simple random sampling
B)  quota sampling
C)  cluster sampling
D)  stratified sampling
E)  reliance on available subjects

Question 16

EPSEM means

Accepted Answer

A)  especially probability sampling error method.
B)  equal parameter statistic election means.
C)  equal probability of selection method.
D)  error parameter sample ending means.
E)  equal probability of sampling error method

Question 17

Chauncey determined that 50 percent of students at his school voted Republican in the last election,with a sampling error (also known as standard error)of 5 percent.What is the confidence interval for 95 percent confidence level?

Accepted Answer

A)  35 to 45 percent
B)  35 to 55 percent
C)  40 to 55 percent
D)  40 to 60 percent
E)  35 to 60 percent

Question 18

A confidence interval at the 68% confidence level will be larger than one constructed at the 95% confidence level.

Accepted Answer

A) True 
 B)False

Question 19

Holstein set up a matrix representing his population of residence hall students,using gender and class level.He then started interviewing students and continued until he had accomplished the percentages he set out in the beginning.Which sampling design does this example reflect?

Accepted Answer

A)  reliance on available subjects
B)  purposive
C)  snowball
D)  quota
E)  systematic

Question 20

In order to determine which participants from my sample will be in the experimental group,and which participants will be in the control group,I decide to flip a coin.I have engaged in __________.

Accepted Answer

A)  random selection
B)  random sampling
C)  matching
D)  quota selection
E)  systematic sampling

Exam 7: The Logic of Sampling

If you are particularly concerned about how well a sample represents a population,pay particular attention to the

Sequine sampled states first,then churches,and then church members.Each of these three is known as a(n)

The currently agreed upon best method of conducting telephone based sampling is based upon

Drawing a judgmental sample

Gilbert wanted to study only students who do very well in class because such students would best help him test his theory.He asked 20 professors for the names of high achieving students and he then interviewed them.Which sampling design does this example reflect?

Compare probability designs with nonprobability designs.Identify the kinds of sampling designs available within each of these major categories.Explain a situation in which it would be more appropriate to use probability sampling and one where nonprobability sampling would be preferred.

Generally,the more heterogeneous the population,the more beneficial it is to use stratified sampling.

If you were interested in conducting a large-scale survey of voter's preferences for the presidential candidate,you would follow history and use a probability sample.

Jerome is worried about the periodicity in his sampling frame.Jerome should not use

In research,the statistic is more accurate than the parameter.

Periodicity is a particular problem for which sampling design?

A disadvantage of stratified sampling is that it

We typically sample with replacement.

You want to examine the relationship between family size and family cohesion.You use as your sample all the students in your research methods class.What kind of sampling design are you using?

EPSEM means

Chauncey determined that 50 percent of students at his school voted Republican in the last election,with a sampling error (also known as standard error) of 5 percent.What is the confidence interval for 95 percent confidence level?

A confidence interval at the 68% confidence level will be larger than one constructed at the 95% confidence level.

Holstein set up a matrix representing his population of residence hall students,using gender and class level.He then started interviewing students and continued until he had accomplished the percentages he set out in the beginning.Which sampling design does this example reflect?

In order to determine which participants from my sample will be in the experimental group,and which participants will be in the control group,I decide to flip a coin.I have engaged in __________.